Schools and other community organizations can schedule talks by our professors on a wide variety of scientific topics. See our list of talks below. To book a speaker, download the registration form and return by email to speakers@yorku.ca. Talk to you soon!
![Marshal McCall Marshal McCall](https://www.yorku.ca/science/wp-content/uploads/sites/31/2022/11/MarshalMcCall-140x150.jpg)
![](https://www.yorku.ca/science/wp-content/uploads/sites/31/2023/09/Prof.-Elizabeth-Clare-wpcf_150x150.jpg)
![Prof-Steven-Wang Professor Steven Wang](https://www.yorku.ca/science/wp-content/uploads/sites/31/2020/08/Prof-Steven-Wang-150x150.jpg)
Physics & Astronomy
Big Galaxies and the Big Places in which they Live
Marshall L. McCall
Grades 4 to 12
![Marshal McCall Marshal McCall](https://www.yorku.ca/science/wp-content/uploads/sites/31/2022/11/MarshalMcCall-140x150.jpg)
![Colin G.H. Steel Colin G.H. Steel](https://www.yorku.ca/science/wp-content/uploads/sites/31/2022/11/missing_picture_icon-150x150.jpg)
Kinesiology & Health Science
Body Function in Endurance Exercise: What Limits Performance?
David Hood
Grade 12 only
![Prof.-David Hood Prof.-DavidHood](https://www.yorku.ca/science/wp-content/uploads/sites/31/2022/11/Prof.-DavidHood-150x150.jpg)